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Finding the Third Proportional to 28,186 and 43,893

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Solution

The third proportional to 28,186 and 43,893 is: 68,352.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,186 : 43,893 = 43,893 : x
  2. Step 2: Convert to fraction form
    28,186/43,893 = 43,893/x
  3. Step 3: Cross multiply
    28,186x = 43,893 × 43,893
  4. Step 4: Simplify right side
    28,186x = 1,926,595,449
  5. Step 5: Solve for x
    x = 1,926,595,449/28,186
  6. Step 6: Final answer
    x = 68,352.92

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.